Senior Java Software Engineer

Responsibilities

• Working in a Scrum environment, with a strong focus on effective team collaboration.

• Development of multiple products, offering the opportunity to build a wide range of functionalities.

• High-performance systems - we process massive volumes of data with minimal latency.

• A strong emphasis on high availability and scalability, supporting investments made by users all over the world.

Technologies

• Our microservices are primarily developed in Java 17+ using Micronaut.

• Deployed on Rancher (Kubernetes) across multiple data centers.

• Inter-service communication via gRPC and Protobuf.

• Asynchronous communication using Kafka, Pulsar, RabbitMQ, and Chronicle.

• Data storage in PostgreSQL, MongoDB, and Redis.

• Production monitoring with Prometheus, Grafana, OpenSearch, Opsgenie and Open Telemetry.

• Testing with JUnit and Testcontainers.

• Development in IntelliJ IDEA with GitHub Copilot, Windsurf and Claude Code support.

• Source code hosted on GitLab, with builds managed via GitLab CI.

• Task tracking in Jira and documentation in Confluence.

• Extensive use of Google Workspace: Gmail, Drive, Docs, Meet, and Chat.

• Internally developed GenAI tools available to all employees.

Requirements

• Strong Experience in building Java-based microservices  - hands-on expertise in designing, implementing, and evolving microservices, with an understanding of scalability and performance challenges.

• Ability to deliver according to requirements  - translating business analysis into concrete technical solutions while ensuring compliance with requirements and deadlines.

• Ownership and proactivity  - taking responsibility for assigned tasks, identifying risks, and proposing solutions to ensure successful project delivery.

• Commitment to code quality  - adhering to the highest engineering standards, focusing on clean, testable code and alignment with best practices and system architecture.

• Active contribution to project development  - engaging in continuous improvement and optimization, proposing innovative solutions, and collaborating closely with the team toward shared goals.

• Experience in effective communication and collaboration with an experienced team  - you are comfortable working with professionals with strong expertise, building productive working relationships, and aligning on goals and decisions within a mature team environment.

What we offer

• Real influence on the development of the company and the product.

• Work in an experienced team that is happy to share its knowledge.

• A clear vision of development thanks to regular feedback and clear career paths.

• Regular team-building meetings.

Benefits

• A training budget for courses and conferences that interest you.

• An extra day off on your birthday.

• An extra day off for parents.

• Equipment tailored to your needs.

• Private medical care and group insurance.

• Access to an e-learning platform for learning English and a benefits platform.

• Access to a wellbeing platform and the opportunity to take advantage of workshops and private therapy sessions.

• Remote work, from the office in Warsaw or from a coworking space in your city.